test(image): process svg relations properly on added slides

Author: singerla

__tests__/add-svg-images.test.ts

@@ -16,8 +16,8 @@ test('create presentation and append slides with images', async () => {
     slide.addElement('images', 1, 'Leaf');
   });
 
-  // TODO: Process related svg content on added slides
-  // pres.addSlide('images', 1);
+  // Test processed related svg content on added slides
+  pres.addSlide('images', 1);
 
   const result = await pres.write(`add-svg-images.test.pptx`);